Voller, Ronald L., author. The muleskinner and the stars : the life and times of Milton La Salle Humason, astronomer / Ronald L. Voller.

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Voller, Ronald L., author.

The muleskinner and the stars : the life and times of Milton La Salle Humason, astronomer / Ronald L. Voller.

Humason, Milton L. (Milton La Salle), 1891-1972.

Astronomers -- United States -- Biography.

Astronomy -- United States -- History.